Science is organized knowledge. Wisdom is organized life.
Do what is right, though the world may perish.
Physicians think they do a lot for a patient when they give his disease a name.
In every department of physical science there is only so much science, properly so-called, as there is mathematics.
I had therefore to remove knowledge, in order to make room for belief.
All our knowledge begins with the senses, proceeds then to the understanding, and ends with reason. There is nothing higher than reason.